1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NVKM_PCI_H__
3 #define __NVKM_PCI_H__
4 #include <core/subdev.h>
5 
6 enum nvkm_pcie_speed {
7 	NVKM_PCIE_SPEED_2_5,
8 	NVKM_PCIE_SPEED_5_0,
9 	NVKM_PCIE_SPEED_8_0,
10 };
11 
12 struct nvkm_pci {
13 	const struct nvkm_pci_func *func;
14 	struct nvkm_subdev subdev;
15 	struct pci_dev *pdev;
16 	int irq;
17 
18 	struct {
19 		struct agp_bridge_data *bridge;
20 		u32 mode;
21 		u64 base;
22 		u64 size;
23 		int mtrr;
24 		bool cma;
25 		bool acquired;
26 	} agp;
27 
28 	struct {
29 		enum nvkm_pcie_speed speed;
30 		u8 width;
31 	} pcie;
32 
33 	bool msi;
34 };
35 
36 u32 nvkm_pci_rd32(struct nvkm_pci *, u16 addr);
37 void nvkm_pci_wr08(struct nvkm_pci *, u16 addr, u8 data);
38 void nvkm_pci_wr32(struct nvkm_pci *, u16 addr, u32 data);
39 u32 nvkm_pci_mask(struct nvkm_pci *, u16 addr, u32 mask, u32 value);
40 void nvkm_pci_rom_shadow(struct nvkm_pci *, bool shadow);
41 
42 int nv04_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
43 int nv40_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
44 int nv46_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
45 int nv4c_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
46 int g84_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
47 int g92_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
48 int g94_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
49 int gf100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
50 int gf106_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
51 int gk104_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
52 int gp100_pci_new(struct nvkm_device *, enum nvkm_subdev_type, int inst, struct nvkm_pci **);
53 
54 /* pcie functions */
55 int nvkm_pcie_set_link(struct nvkm_pci *, enum nvkm_pcie_speed, u8 width);
56 #endif
57